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ERIC Number: EJ862650
Record Type: Journal
Publication Date: 2009
Pages: 11
Abstractor: As Provided
Reference Count: 22
ISSN: ISSN-1073-1911
An Item-Level Psychometric Analysis of the Personality Assessment Inventory: Clinical Scales in a Psychiatric Inpatient Unit
Siefert, Caleb J.; Sinclair, Samuel J.; Kehl-Fie, Kendra A.; Blais, Mark A.
Assessment, v16 n4 p373-383 2009
Multi-item multiscale self-report measures are increasingly used in inpatient assessments. When considering a measure for this setting, it is important to evaluate the psychometric properties of the clinical scales and items to ensure that they are functioning as intended in a highly distressed clinical population. The present study examines scale properties for a self-report measure frequently employed in inpatient assessments, the Personality Assessment Inventory (PAI). In addition to examining internal consistency statistics, this study extends prior PAI research by considering key issues related to inpatient assessment (e.g., scale distinctiveness, ceiling effects). Coefficient alphas, interitem correlations, and item-scale relationships suggest that the PAI clinical scales and subscales are internally consistent. Items for respective clinical scales generally showed significantly higher item-scale correlations with their intended scale (as compared with their item-scale correlation with scales they were not intended to measure). In addition, scales-coefficient alpha scores were higher than their interscale correlations. Taken as a whole, these results support the hypothesis that PAI scales were measuring relatively distinct constructs in this inpatient sample. Findings are discussed with regard to the implications for scale interpretation in inpatient assessment, functioning of individual scales and subscales, and functioning of specific items. Limitations of the present study and directions for future research are discussed. (Contains 3 tables and 3 notes.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Personality Assessment Inventory